package proxy;

public class PayServiceImpl implements PayService {
    @Override
    public String callback(String outTradeNo) {
        System.out.println("回调成功,更新订单状态");
        return outTradeNo;
    }

    @Override
    public int save(int accountNo, int productId) {
        System.out.println("新增订单成功");
        return productId;
    }
}
